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You can download Firefox 19 for Windows, Mac, and Linux right now; official launch tomorrow

Firefox 19 for desktop is due to officially launch on Tuesday, with long-anticipated built-in PDF viwer, but the latest version is already available for Windows, Mac, and Linux. You can grab it now from Mozilla’s servers here: FTP.

If you prefer to wait for the official launch, keep your browser pointed to Firefox.com. You may also want to check out the Mozilla blog, which will post details of the new release if it’s significant enough. If you use Firefox on your Android device, make sure to check for app updates over on the Google Play Store as a new version is likely arriving tomorrow as well.

There’s no official Firefox 19 changelog as of yet, but the beta release notes should serve as a decent guideline:

NEW: Built-in PDF viewer.

CHANGED: Canvas elements can export their content as an image blob using canvas.toBlob().

FIXED: Starting Firefox with -private flag incorrectly claims you are not in Private Browsing mode
(802274).

We will update you with more information (including the official changelog) when Firefox 19 officially launches. In the meantime, if you’re a Web developer, you may want to check out the Firefox 19 for developers page.

Emil was a reporter for The Next Web between 2012 and 2014. Over the years, he has covered the tech industry for multiple publications, including Ars Technica, Neowin, TechSpot, ZDNet, and CNET. Stay in touch via Facebook, Twitter, and Google+.